diff --git a/flake.nix b/flake.nix
index 5a3e7c2..b9e5b2c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -75,18 +75,15 @@
             environment = {
               PORT = toString cfg.port;
               API_KEY = cfg.apiKey;
+              CACHE_DIR = "/var/lib/nlw-api";
             };
 
             serviceConfig = {
               Restart = "on-failure";
               ExecStart = "${getExe cfg.package}";
               DynamicUser = "yes";
-              RuntimeDirectory = "nlw-api";
-              RuntimeDirectoryMode = "0755";
               StateDirectory = "nlw-api";
-              StateDirectoryMode = "0700";
-              CacheDirectory = "nlw-api";
-              CacheDirectoryMode = "0750";
+              StateDirectoryMode = "0755";
             };
           };